CN220893722U - Efficient and accurate airtight detection device for bent pipe - Google Patents

Abstract

The utility model belongs to the technical field of product quality detection, and particularly relates to a high-efficiency and accurate airtight detection device for bent pipes, which comprises a workbench, wherein a water tank is fixedly connected to the right side of the workbench, a detection device is connected to the workbench in a sliding manner through a sliding rail, the detection device comprises an inflation device, a bearing table, an alarm device, a connecting device and a detection unit, the inflation device is fixedly arranged on the bearing table, the inflation device is detachably connected with the detection unit through the connecting device, lifting tables are movably connected to the inner walls of the left side and the right side of the water tank, and a fixed tool is arranged on the lifting tables; according to the utility model, by means of the mutual coordination of the bearing table, the connecting device, the detecting unit and the lifting table, the product is subjected to air pressure detection firstly, the water immersion detection is not required if the product is qualified, the water immersion detection is performed without direct seamless connection if the product is not qualified, the air leakage position is determined, meanwhile, the state of the product is displayed in real time by the alarm device, the detection efficiency is high, and the accuracy is greatly improved.

Description

Efficient and accurate airtight detection device for bent pipe

Technical Field

The utility model belongs to the technical field of product quality detection, and particularly relates to a high-efficiency and accurate airtight detection device for bent pipes.

Background

After the pipe bending processing is finished, the pipe bending is required to be subjected to small-batch air tightness test, the qualification rate of the pipe bending is guaranteed, the pipe fitting is sealed by the air tightness detection device used in the market at present, a sealing space is formed in the inner cavity of the pipe fitting, an air charging pipe is connected in the sealing space and charges air into the sealing space, the aerated pipe fitting is sunk into a water tank, whether air bubbles exist is observed to judge whether the product quality is qualified or not, or air is filled into the pipe bending, then the two ends of the pipe bending are sealed, and the air pressure change in the pipe bending is measured through an air pressure meter or a sensor to judge the sealing performance of the pipe bending. The two measurement modes have respective advantages and disadvantages, the former can judge the specific air leakage position of the bent pipe through air bubbles, but each detection product needs to be immersed in water to cause low efficiency, and the detection accuracy is poor, so that the product needs to be dried after being discharged; on the contrary, the efficiency is high, the detection accuracy is high, but the air leakage position of the bent pipe cannot be determined, and the problems in the processing technology cannot be accurately analyzed.

In view of the above analysis, the current single-detection-mode airtight detection apparatus on the market cannot well meet the actual production requirements, and it is necessary to design an elbow airtight detection apparatus combining the advantages of the two detection modes.

Therefore, the application provides the efficient and accurate air tightness detection device for the bent pipe, which can effectively solve the problems.

Disclosure of utility model

The utility model aims at overcoming the defects of the prior art, and provides an efficient and accurate airtight detection device for a bent pipe, so that the problems in the prior art are effectively solved.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows:

The utility model provides a high-efficient accurate airtight detection device of return bend, includes the workstation, workstation right side fixedly connected with water tank, there is detection device on the workstation through slide rail sliding connection, detection device includes aerating device, plummer, alarm device, connecting device and detecting element, plummer bottom is connected with the lead screw in coordination, and lead screw one end is connected with first motor, and the plummer can move on the slide rail under the drive of lead screw, fixedly mounted with aerating device on the plummer, aerating device passes through connecting device and detecting element detachable connection, alarm device fixed mounting is in plummer upper portion; the inner walls of the left side and the right side of the water tank are provided with symmetrical vertical guide posts, the side wall of the water tank is provided with a transparent observation window for observing the bent pipe in water, the inner walls of the front side and the rear side of the water tank are provided with symmetrical lifting screw devices, the guide posts are movably connected with lifting tables, the lifting platform is simultaneously connected with the lifting screw device in a matched mode, the lifting platform vertically moves on the guide post under the driving of the lifting screw device, a fixed tool is fixedly installed on the lifting platform, and the bent pipe can be quickly assembled and disassembled through the fixed tool.

As the further setting of above-mentioned scheme, detecting element includes seal groove, pressure sensor, one-way pneumatic valve, treater and mounting hole, seal groove and return bend one end sealing contact, guarantee the gas tightness and the pressure-bearing is fixed on the return bend after the connection, detecting element center is equipped with the pneumatic valve, the pneumatic valve can aerify and deflate to the return bend, the gassing process is controlled by the treater, pneumatic valve department still is equipped with pressure sensor, and the atmospheric pressure in the real-time detection return bend changes, detecting element passes through the mounting hole detachable of back and connects on connecting device, pressure sensor is connected with the treater, the treater passes through elastic cable and alarm device electric connection, alarm device reflects the atmospheric pressure condition in the return bend, and when the internal atmospheric pressure of return bend was unchanged, alarm device shows the green light, and when the internal atmospheric pressure of return bend was reduced, alarm device shows the red light and reports to the police.

As the further setting of above-mentioned scheme, connecting device includes spliced pole and inflatable head, spliced pole fixed mounting just is parallel with plummer slip direction on the plummer, spliced pole one end is equipped with the elastic device, the elastic device is pressed and can be automatic bullet and open the pine and take off, when detecting unit installs on connecting device, the elastic device is connected with the mounting hole cooperation on the detecting unit, inflatable head can be connected with the pneumatic valve on the detecting unit.

As the further setting of above-mentioned scheme, be equipped with the guide way on the elevating platform, guide way and guide post sliding connection, the elevating platform upper surface is equipped with the basin, be equipped with the hole of permeating water in the basin, when the elevating platform rose or descends, water passed the elevating platform through the hole of permeating water, when the elevating platform left the surface of water, water flowed into the basin and flowed into the water tank through the hole of permeating water, guaranteed that the elevating platform has not ponded.

As a further arrangement of the scheme, a fixed tool is fixedly arranged on the lifting platform and comprises a first fixed plate, a first pressing plate, a second fixed plate, a second pressing plate and a sealing rubber block, semicircular openings are formed in the first fixed plate and the second fixed plate and are mutually perpendicular to each other, the first pressing plate is rotatably arranged on the first fixed plate, the second pressing plate is rotatably arranged on the second fixed plate, the sealing rubber block is arranged under the first fixed plate, and the axis of the sealing rubber block coincides with the axis of the opening of the first fixed plate; one end of the bent pipe is fixed on the sealing rubber block, the sealing rubber block is in contact with the inner wall of the bent pipe to play a sealing role, at the moment, the outer wall of the bent pipe is in contact with semicircular openings on the first fixing plate and the second fixing plate, the first pressing plate and the second pressing plate are rotated, and the bent pipe is fixed on the lifting table and the bottom end of the bent pipe is sealed.

The working principle of the utility model is as follows: the method comprises the steps that an elbow is fixedly mounted on a fixed tool, the bottom end of the elbow is sealed, a detection unit is fixedly mounted on a connecting device, an elastic device is connected with a mounting hole on the detection unit in a matched mode, an inflation head is connected with an air valve on the detection unit, a lifting table is located at a rising limit position, the detection unit is coaxial with the other end of the elbow, a first motor is started, a bearing table moves rightwards on a sliding rail under the driving of a screw rod, a sealing groove of the detection unit is in contact with the elbow, the bearing table stops moving when the bearing table is completely sealed, the inflation head is completely in contact with the air valve at the moment, the elastic device is in a loose state due to compression, but due to the support of a connecting column, the elastic device is still located in the mounting hole, the inflation device is started, specified air pressure is filled into the elbow through the air valve by the inflation head, and the air pressure sensor detects air pressure change in real time. When the air pressure is unchanged, the air tightness of the bent pipe is qualified, the alarm device displays a green light, at the moment, the first motor is reversed without immersing, the connecting device is separated from the detecting unit, the air valve is controlled by the processor to discharge the air, and then the detecting unit is taken down and reinstalled on the connecting column for the next detection; when the air pressure is reduced, the air tightness of the bent pipe is unqualified, the first motor is reversed, the connecting device is separated from the detecting unit, the lifting screw device is started to drive the lifting table to be immersed in water downwards, the air leakage position of the bent pipe can be observed through the observation window, the specific position of the quality defect is determined, a basis is provided for subsequent process improvement, the air tightness of the sealing device can be detected, and the detection accuracy is improved.

The utility model has the following beneficial effects:

Utilize plummer, alarm device, connecting device, detecting element and elevating gear's mutually supporting, realize the dual detection that return bend gas tightness detected for the product carries out the atmospheric pressure earlier and detects, if the product is qualified then need not to carry out the detection of soaking, if the product is unqualified, then need not to adjust direct seamless connection and carry out the detection of soaking, confirms the gas leakage position, and the product state has alarm device real-time display simultaneously, and detection efficiency is high, and the degree of accuracy promotes greatly.

Drawings

FIG. 1 is a schematic view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a diagram showing the positional relationship among the detection device, the water tank and the table of the present utility model;

FIG. 4 is a position diagram of a fixture and lift table of the present utility model;

FIG. 5 is a schematic diagram of a detection apparatus according to the present utility model;

fig. 6 is a schematic diagram of the structure of the detecting unit according to the present utility model.

1. A water tank; 2. a work table; 3. a slide rail; 4. a screw rod; 5. a first motor; 6. an inflator; 7. a carrying platform; 8. an alarm device; 9. a connecting device; 10. a detection unit; 11. fixing the tool; 12. bending the pipe; 13. a lifting table; 14. lifting screw device, 101, observation window; 102. a guide post; 103. sealing rubber; 701. a chute; 702. a threaded hole; 801. an indicator light; 802. an elastic cable; 901. a connecting column; 902. an inflation head; 903. an elastic device; 1001. sealing grooves; 1002. a pressure sensor; 1003. an air valve; 1004. a processor; 1005. a mounting hole; 1101. a first fixing plate; 1102. a first platen; 1103. a second fixing plate; 1104. a second pressing plate; 1105. sealing the rubber block; 1301. a water tank; 1302. a water permeable hole; 1303. a guide groove.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The present application will be described in detail with reference to fig. 1 to 6, and examples thereof.

As shown in fig. 1, fig. 2 and fig. 3, the embodiment discloses a high-efficiency and accurate airtight detection device for bent pipes, a water tank 1 is fixedly connected to the right side of a workbench 2, a detection device is slidably connected to the workbench 2 through a sliding rail 3, the detection device comprises an inflation device 6, a bearing table 7, an alarm device 8, a connecting device 9 and a detection unit 10, the bottom of the bearing table 7 is connected with a screw rod 4 in a matched manner, one end of the screw rod 4 is connected with a first motor 5, the bearing table 7 can move on the sliding rail 3 under the drive of the screw rod 4, the inflation device 6 is fixedly mounted on the bearing table 7, the inflation device 6 is detachably connected with the detection unit 10 through the connecting device 9, and the alarm device 8 is fixedly mounted on the upper part of the bearing table 7; the inner walls of the left side and the right side of the water tank 1 are provided with symmetrical vertical guide posts 102, the side wall of the water tank 1 is provided with transparent observation windows 101, bent pipes in water can be observed, symmetrical lifting screw devices 14 are arranged at the inner walls of the front side and the rear side of the water tank 1, lifting platforms 13 are movably connected to the guide posts 102, the lifting platforms 13 are simultaneously matched and connected with the lifting screw devices 14, the lifting platforms 13 vertically move on the guide posts 102 under the driving of the lifting screw devices 14, fixed tools 11 are fixedly arranged on the lifting platforms 13, and the bent pipes 12 can be quickly assembled and disassembled by the fixed tools 11.

As shown in fig. 4, a fixed fixture 11 is fixedly installed on a lifting platform 13, the fixed fixture 11 comprises a first fixed plate 1101, a first pressing plate 1102, a second fixed plate 1103, a second pressing plate 1104 and a sealing rubber block 1105, semicircular openings are formed in the first fixed plate 1101 and the second fixed plate 1103 and are mutually perpendicular to each other, the first pressing plate 1102 is rotatably installed on the first fixed plate 1101, the second pressing plate 1104 is rotatably installed on the second fixed plate 1103, the sealing rubber block 1105 is arranged under the first fixed plate 1101, and the axis of the sealing rubber block 1105 coincides with the axis of the opening of the first fixed plate 1101; one end of the bent pipe 12 is fixed on the sealing rubber block 1105, the sealing rubber block 1105 is contacted with the inner wall of the bent pipe 12 to play a sealing role, at the moment, the outer wall of the bent pipe 12 is contacted with semicircular openings on the first fixing plate 1101 and the second fixing plate 1103, the first pressing plate 1102 and the second pressing plate 1104 are rotated, the bent pipe 12 is fixed on the lifting table 13, and the bottom end is sealed.

As shown in fig. 5 and 6, the detecting unit includes a sealing groove 1001, a pressure sensor 1002, an air valve 1003, a processor 1004 and a mounting hole 1005, where the sealing groove 1001 is in sealing contact with one end of the elbow 12, after connection, the sealing groove is fixed on the elbow 12 to ensure air tightness and pressure bearing, the air valve 1003 is arranged in the center of the detecting unit, the air valve 1003 can inflate and deflate the elbow 12, the deflating process is controlled by the processor 1004, the air valve 1003 is also provided with the pressure sensor 1002, the air pressure change in the elbow 12 is detected in real time, the detecting unit is detachably connected to the connecting device 9 through the mounting hole 1005 on the back, the pressure sensor 1002 is connected with the processor 1004, the processor 1004 is electrically connected with the alarm device 8 through an elastic cable 802, the alarm device 8 reflects the air pressure condition in the elbow 12, when the air pressure in the elbow 12 is unchanged, the alarm device 8 displays a green light, and when the air pressure in the elbow 12 is reduced, the alarm device 8 displays a red light alarm.

The connecting device 9 comprises a connecting column 901 and an inflating head 902, the connecting column 901 is fixedly arranged on the bearing table 7 and parallel to the sliding direction of the bearing table 7, an elastic device 903 is arranged at one end of the connecting column 901, the elastic device 903 can automatically spring to open and release under pressure, when the detecting unit is arranged on the connecting device 9, the elastic device 903 is matched and connected with a mounting hole 1005 on the detecting unit, and the inflating head 902 can be connected with an air valve 1003 on the detecting unit.

The working process of the utility model comprises the following steps: the elbow 12 is fixedly arranged on the fixed tooling 11, the detection unit 10 is fixedly arranged on the connecting device 9, the elastic device 903 is connected with the mounting hole 1005 in a matched manner, the inflation head 902 is connected with the air valve 1003, the lifting table 13 is at the ascending limit position, at the moment, the detection unit 10 and one end of the elbow 12 are coaxial, the first motor 5 is started, the bearing table 7 moves rightwards, the sealing groove 1001 is in contact with the elbow 12, the bearing table 7 stops moving when being completely sealed, at the moment, the inflation head 902 is completely in contact with the air valve 1003, the elastic device 903 is also in a loose state due to compression, but the elastic device 903 is still in the mounting hole 1005, the inflation device 6 is started, the specified air pressure is filled into the elbow 12 through the air valve 1003 by the inflation head 902, and the pressure sensor 1002 detects the air pressure change in real time. When the air pressure is unchanged, the tightness of the bent pipe air 12 is qualified, the alarm device 8 displays a green light, the first motor 5 is reversed, the connecting device 9 is separated from the detection unit 10, the processor 1004 controls the air valve 1003 to discharge the air, and then the detection unit 10 is removed and reinstalled on the connecting column 901 for the next detection; when the air pressure is reduced, the air tightness of the bent pipe 12 is proved to be unqualified, the first motor 5 is reversed, the connecting device 9 is separated from the detecting unit 10, the lifting screw device 14 is started to drive the lifting table 13 to be immersed in water downwards, the air leakage position of the bent pipe 12 can be observed through the observation window 101 at the moment, the specific position of the quality defect is determined, a basis is provided for subsequent process improvement, the air tightness of the sealing device can be detected, and the detection accuracy is improved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. The utility model provides a high-efficient accurate airtight detection device of return bend, includes the workstation, workstation right side fixedly connected with water tank, its characterized in that, there is detection device through slide rail sliding connection on the workstation, detection device includes aerating device, plummer, alarm device, connecting device and detecting element, the plummer bottom is connected with the lead screw cooperation, fixed mounting has aerating device on the plummer, aerating device can dismantle with detecting element through connecting device and be connected, water tank left and right sides inner wall is equipped with the vertical guide post of symmetry, both sides inner wall department is equipped with the elevating screw device of symmetry around the water tank, swing joint has the elevating platform on the guide post, the elevating platform is simultaneously with elevating screw device cooperation connection, fixed frock is fixed to fixed mounting on the elevating platform.

2. The efficient and accurate airtight detection device for the bent pipe according to claim 1, wherein the detection unit comprises a sealing groove, a pressure sensor, a one-way air valve, a processor and a mounting hole, the sealing groove is in sealing contact with one end of the bent pipe, the air valve is arranged in the center of the detection unit and can charge and discharge air to the bent pipe, the process of discharging air is controlled by the processor, the pressure sensor is arranged at the air valve, the pressure sensor is connected with the processor, and the processor is electrically connected with the alarm device through an elastic cable.

3. The efficient and accurate airtight detection device for the bent pipe according to claim 1, wherein the connecting device comprises a connecting column and an inflating head, the connecting column is fixedly installed on the bearing table and is parallel to the sliding direction of the bearing table, an elastic device is arranged at one end of the connecting column, the elastic device can automatically spring to open and release under pressure, the elastic device is connected with a mounting hole on the detection unit in a matched mode, and the inflating head is connected with an air valve on the detection unit.

4. The efficient and accurate airtight detection device for the bent pipe according to claim 1, wherein a guide groove is formed in the lifting table and is in sliding connection with the guide column, a water tank is arranged on the upper surface of the lifting table, and a water permeable hole is formed in the water tank.

5. The efficient and accurate airtight detection device for bent pipes according to claim 1, wherein the fixing tool comprises a first fixing plate, a first pressing plate, a second fixing plate, a second pressing plate and a sealing rubber block, semicircular openings are formed in the first fixing plate and the second fixing plate and are perpendicular to each other, the first pressing plate is rotatably mounted on the first fixing plate, the second pressing plate is rotatably mounted on the second fixing plate, the sealing rubber block is arranged under the first fixing plate, and the axis of the sealing rubber block coincides with the axis of the opening of the first fixing plate.